Completion rate in a flipped classroom

When students come into my classroom, they are ready for the day's practice. However, I am currently reaching the students at about a 70% completion rate. This is good, but it's not good enough. For the students who have not watched the video and taken the notes, I have them come in during lunch to make it up or after school. During class, the students who have not watched the video and taken the notes are a little bit behind, but their group members do a good job of catching them up to speed.

Some tips to increase the completion rate:

Make it part of their grade. Students are more likely to complete work if they will be held accountable

Create a weekly/bi-weekly quiz based on the content of the videos

Give extra credit for finding mistakes in the videos

Give a benchmark prize (whoever can complete the most videos will be entered in a drawing)

Give the option to come in during lunch or some other scheduled time in your classroom

Keep in mind that the vast majority of students aren't failing out of defiance - there is a reason. It may not be the best reason, but we don't know the complexity of our students' lives. If you remove excuses by making yourself available, you increase your odds at success!